In the wake of the PwC Robodebt scandal, the Senate has voted for an inquiry into the four most powerful firms in the world – PwC, KPMG, Deloitte and EY. What’s the scam?

The scam is the Big4 have been revelling in double-digit revenue growth thanks to the gutting of the public service yet there are egregious conflicts of interest between their government consulting, multinational tax avoidance and audit divisions. The Big4 have managed to fashion themselves as both the gatekeepers and the poachers of global commerce.

Source: Finally an inquiry into the Big4 – Greens bring it, Labor supports it – Michael West